Network · AS37053

AS37053 RSAWEB (PTY) LTD

AS37053 (RSAWEB (PTY) LTD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS37053

OwnerRSAWEB (PTY) LTD
KindInternet service provider
Servers, not peopleno
IPv4 addresses120,320
IPv4 ranges19
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

165.0.0.0/16
41.71.0.0/17
41.74.176.0/20
41.215.232.0/21
102.217.32.0/21
102.212.192.0/21
41.79.36.0/22
41.79.156.0/22
41.223.32.0/22
102.217.76.0/22
102.217.40.0/22
102.217.28.0/22

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.

Check an IP address →

Detect it in code

Spot AS37053 traffic at signup.

Send the visitor's IP. The response includes the ASN, the owner and flags.hosting.

curl https://veqen-app.com/v1/ip/check \
  -H "Authorization: Bearer $VEQEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"ip": "203.0.113.7"}'

import os, requests

r = requests.post(
    "https://veqen-app.com/v1/ip/check",
    headers={"Authorization": f"Bearer {os.environ['VEQEN_API_KEY']}"},
    json={"ip": "203.0.113.7"},
    timeout=10,
)
result = r.json()
print(result["risk"]["verdict"], result["risk"]["reasons"])

const res = await fetch("https://veqen-app.com/v1/ip/check", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.VEQEN_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({"ip": "203.0.113.7"}),
});
const result = await res.json();
console.log(result.risk.verdict, result.risk.reasons);

Questions

About AS37053

Is AS37053 a datacenter or VPN network?

AS37053 (RSAWEB (PTY) LTD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS37053?

AS37053 is registered to RSAWEB (PTY) LTD. It announces about 120,320 IPv4 addresses.

How do I detect traffic from AS37053?

Call the Veqen IP check with the visitor's address. The response includes the ASN, the owner and whether the network is a datacenter, VPN network, relay or ISP.